Two trains are traveling toward each other at 30.5 m/s relative to the ground. One train is

Question:

Two trains are traveling toward each other at 30.5 m/s relative to the ground. One train is blowing a whistle at 500 Hz.

(a) What frequency is heard on the other train in still air?

(b) What frequency is heard on the other train if the wind is blowing at 30.5 m/s toward the whistle and away from the listener?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

See More Books

Question Posted: Jan 15, 2011 05:54 AM

See More Questions

Two triangular wave pulses are traveling toward each other on a stretched string as shown in Fig.1S.33. Each pulse is identical to the other and travels at 2.00 cm/s. The leading edges of the pulses...
An electron-positron pair, traveling toward each other with a speed of 0.99c with respect to their center of mass, collide and annihilate according to e- + e+ + . Assuming that the observer is at...
A stationary train emits a whistle at a frequency f. The whistle sounds higher or lowers in pitch depending on whether the moving train is approaching or receding. Derive a formula for the difference...
Consider Problem 13.28. The solvent MDEA becomes rich in acid gases. To recycle this solvent, it is first heated to 90C in exchanger E-2001 and then sent to the top stage of the stripper T-2002 as...
Refer to the facts in the preceding problem. a. Complete Schedule K, Form 1065, for the partnership. b. Complete Schedule K-1, Form 1065, for Jayanthi? Information from preceding problem Sales...
For the collar of Problem 2.35, determine (a) The required value of if the resultant of the three forces shown is to be vertical, (b) The corresponding magnitude of the resultant. 30 100 N 200 N 150...
The trace of a square matrix is a linear functional, defined as the sum of its principal diagonal elements, A further property of the trace is tr [AB] = tr [BA], for suitable matrices A and B. Show...
Allison Cooper opened Allisons Toy House. As her newly hired accountant, your tasks are to do the following: 1. Journalize the transactions for the month of October. 2. Record to subsidiary ledgers...
P3. Given below are Jeff's capital gains and losses for three consecutive years. What is the effect (what is his gain or loss) of the capital gains and losses on Jeff's taxable income for each year?...
A digital option is one in which the payoff depends in a discontinuous way on the asset price. The simplest example is the cash-or-nothing option, in which the payoff to the holder at maturity T is...
A girl is sitting near the open window of a train that is moving at a velocity of 10.00 m/s to the east. The girl's uncle stands near the tracks and watches the train move away. The locomotive...
A 2000 Hz siren and a civil defense official are both at rest with respect to the ground. What frequency does the official hear if the wind is blowing at 12m/s? (a) From source to official and (b)...
What is a bank holding company? Why have most large banks become bank holding companies? What is a fi nancial holding company? What must a bank holding company do to become a fi nancial holding...
POTI ENTERPRISES LTD. STATEMENT OF INCOME FOR THE YEAR ENDED DECEMBER 31 (current year) SALES $600,000 COST OF SALES: $50,000 OPENING INVENTORY 250,000 PURCHASES 300,000 CLOSING INVENTORY 60,000...
10. Describe a qualified defined contribution plan for the self-employed and discuss the advantages and disadvantages in adopting this type of plan. 11. Describe a SEP IRA and discuss the advantages...
7.) In 1999, the average percentage of women who received prenatal care per country is 80.1%. Table #7.3.9 contains the percentage of woman receiving prenatal care in 2009 for a sample of countries...
Describe A demographic profile of the population and community that will be served through the reinvented Human Service program. The description must include all eligibility requirements (i.e.,...
You work for a major financial institution. Your branch handles customer calls from a wide variety of individuals. Recently, you've noticed an increase in calls from individuals from African...
Know what skills are essential for eff ective leadership
Identify the tax issues or problems suggested by the following situations. State each issue as a question. Jennifer did not file a tax return for 2007 because she honestly believed that no tax was...
How much investment would be needed in a savings account yielding 6% interest p.a. to have $5000 in five years time?
An instrument based on induced emf has been used to measure projectile speeds up to 6 km/s. A small magnet is imbedded in the projectile, as shown in Figure P31.14. The projectile passes through two...
A coil formed by wrapping 50 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 30.0 with the direction of the...
When a wire carries an AC current with a known frequency, you can use a Rogowski coil to determine the amplitude I max of the current without disconnecting the wire to shunt the current in a meter....
18. Suppose that Maxima shares are selling for $10 per share and you own a call option to buy Maxima shares at $7.50. The intrinsic value of your option is:
ABC Insurance Company reported the following information on its accounting statements last year: What was ABC 's expense ratio last year
Calculate the current ratio and the quick ratio for the following partial financial statement for Tootsie Roll Note: Round your answers to the nearest hundredth

Two trains are traveling toward each other at 30.5 m/s relative to the ground. One train is

Question:

Step by Step Answer:

We use Eq 1747 with f 500 Hz and v 343 ms We choose s...View the full answer

Fundamentals of Physics

Students also viewed these Oscillations Mechanical Waves questions